{"product_id":"sv9541q2561-honeywell-two-stage-smartvalve-intermittent-hot-surface-pilot-ignition-control","title":"SV9541Q2561 | Honeywell Two-Stage SmartValve Intermittent Hot Surface Pilot Ignition Control","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Honeywell SV9541Q2561 is a two-stage SmartValve® intermittent hot surface pilot ignition gas control. It integrates both electronic ignition sequencing and gas flow regulation into a single compact unit for efficient and safe operation of gas-fired furnaces, boilers, and heaters using natural gas.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 705.376px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eSV9541Q2561\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eGas Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 39.1875px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 39.1875px;\"\u003eTwo-Stage SmartValve Intermittent Pilot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 39.1875px;\"\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 39.1875px;\"\u003eNatural Gas (LP conversion kit included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eIntermittent Hot Surface Pilot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 39.1875px;\"\u003e\u003cstrong\u003eIgnition Sequence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 39.1875px;\"\u003eIntermittent Pilot with Continuous Retry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eFlame Sense\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eTwo-Rod System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e24 Vac, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eFlame Failure Response Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e1.6 s @ 3 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003ePrepurge Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e15 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003ePostpurge Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e30 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition Trial Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e90 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eOpening Characteristics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eStandard Opening, 2-Stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eInlet\/Outlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e½″ NPT × ½″ NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 39.1875px;\"\u003e\u003cstrong\u003ePressure Regulator Settings (Low\/High)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 39.1875px;\"\u003e1.7 in. w.c. \/ 3.2 in. w.c.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Inlet Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e½ psi (3.5 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eFlow Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eMax 200 ft³\/hr (5.7 m³\/hr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eBody Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eStraight-Through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eAmbient Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e–40 °F to +175 °F (–40 °C to +79 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting Orientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e0°–90° from upright\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003ePilot Gas Outlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003ePressure Tapping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003e⅛″ NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 39.1875px;\"\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 39.1875px;\"\u003eFurnaces, boilers, rooftop units, heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eCSA International Design Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 39.1875px;\"\u003e\u003cstrong\u003eDimensions (W × H × L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 39.1875px;\"\u003e3.2″ × 4.9″ × 4.1″ (81 × 124 × 104 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.7735%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 46.9139%; height: 19.5938px;\"\u003eApprox. 2 lb (0.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eSV9541Q2561\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe SV9541Q2561 is part of Honeywell’s SmartValve® System Controls, designed for advanced combustion management in modern gas-fired appliances. It combines a 24 Vac electronic intermittent pilot ignition module with a dual-stage gas valve and is compatible with the Q3450 or Q3480 pilot assemblies. The control provides prepurge, timed ignition trials, continuous retry operation, and LED diagnostics for easy troubleshooting. It can communicate directly with Honeywell’s ST9160 (single-stage) or ST9162 (two-stage) electronic fan timers and is certified for use with fan-assisted combustion appliances requiring precise ignition and flow control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Design: Combines electronic ignition control and dual-stage gas valve in one assembly.\u003c\/li\u003e\n\u003cli\u003eTwo-Stage Operation: Provides low and high pressure regulator settings for efficient combustion.\u003c\/li\u003e\n\u003cli\u003eIntermittent Hot Surface Pilot Ignition: Ensures safe, reliable pilot and main flame ignition.\u003c\/li\u003e\n\u003cli\u003eContinuous Retry Sequence: Automatically retries ignition on flame failure for system reliability.\u003c\/li\u003e\n\u003cli\u003ePrepurge and Postpurge Cycles: Provides 15 s prepurge and 30 s postpurge to clear combustion gases.\u003c\/li\u003e\n\u003cli\u003eDiagnostic LED Display: Indicates system status and fault codes for quick troubleshooting.\u003c\/li\u003e\n\u003cli\u003eFlame Failure Response: 1.6 s shutoff reaction time at 3 µA for enhanced safety.\u003c\/li\u003e\n\u003cli\u003eMulti-Position Mounting: Operates reliably when installed 0°–90° from vertical orientation.\u003c\/li\u003e\n\u003cli\u003eCSA Certified: Approved for natural gas operation and meets safety standards for combustion control.\u003c\/li\u003e\n\u003cli\u003eIncludes LP Conversion Kit: Enables conversion for propane applications when required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SV9541Q2561 delivers the reliability and precision required for dual-stage gas appliances requiring integrated safety and ignition control.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105080189184,"sku":"SV9541Q2561","price":730.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/886675.jpg?v=1785539649","url":"https:\/\/alotechparts.com\/products\/sv9541q2561-honeywell-two-stage-smartvalve-intermittent-hot-surface-pilot-ignition-control","provider":"Alo Tech Solutions","version":"1.0","type":"link"}